7x=(9-2x)-9

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Solution for 7x=(9-2x)-9 equation:


Simplifying
7x = (9 + -2x) + -9

Remove parenthesis around (9 + -2x)
7x = 9 + -2x + -9

Reorder the terms:
7x = 9 + -9 + -2x

Combine like terms: 9 + -9 = 0
7x = 0 + -2x
7x = -2x

Solving
7x = -2x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '2x' to each side of the equation.
7x + 2x = -2x + 2x

Combine like terms: 7x + 2x = 9x
9x = -2x + 2x

Combine like terms: -2x + 2x = 0
9x = 0

Divide each side by '9'.
x = 0

Simplifying
x = 0

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